State-Trait Anger Expression Inventory-Child and Adolescent – STAXI-CA
Measures the intensity of anger as an emotional state and the disposition to experience angry feelings as a personality trait in children and adolescents.
Scale Development & Technical Details
Scale Overview
The State-Trait Anger Expression Inventory-Child and Adolescent – STAXI-CA was developed by Victoria del Barrio, Anton Aluja, Charles Spielberger (2004). It is designed to measure Anger State, Trait, and Expression. The scale is intended for use with Children and adolescents (ages 7-17).
Scale Structure
This instrument consists of 46 items organized into 5 factors/subscales: State Anger, Trait Anger, Anger Expression-Out, Anger Expression-In, Anger Control.
| Factor / Subscale | Items | N |
|---|---|---|
| State Anger | 1,2,3,4,5,6,7,8,9,10,11,12 | 12 |
| Trait Anger | 13,14,15,16,17,18,19,20,21 | 9 |
| Anger Expression-Out | 22,26,27,29,34,36 | 6 |
| Anger Expression-In | 23,24,25,28,35 | 5 |
| Anger Control | 30,31,32,33,37,38,39,40,41,42,43,44,45,46 | 14 |
Response Format
Respondents rate each item using a custom response format.
Response anchors: 1 = Not at all / Almost never, 2 = Somewhat / Sometimes, 3 = Moderately / Often, 4 = Very much / Almost always.
Scoring
Items are scored by subscale, with each subscale sum representing a distinct dimension.
Total scores range from 46 to 184. Interpretation guidelines:
- Low Anger / High Control: 46 – 92
- Moderate Anger: 93 – 138
- High Anger: 139 – 184
Psychometric Properties
Internal Consistency: The scale has demonstrated good to excellent internal consistency with reported Cronbach’s alpha values of Varies by subscale (typically Cronbach's alpha 0.70 – 0.88).
Administration
The scale is self-administered and typically takes approximately 10 minutes to complete. It can be administered individually or in group settings. No special training is required for administration.